Prosthetic knee sleeve



FIG. 1 is a perspective view of the prosthetic knee sleeve showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being substantially identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view of another embodiment of FIG. 1;

FIG. 6 is a right side elevational view thereof, the left side elevational view being identical thereto;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a prosthetic knee sleeve, as shown. 